u4090b-p ATMEL Corporation, u4090b-p Datasheet - Page 18

• Manufacturer Part Number: u4090b-p
• Description: U4090b-p Monolithic Integrated Feature Phone Circuit Emi Improved
• Manufacturer: ATMEL Corporation

6. Electrical Characteristics (Continued)
f = 1 kHz, 0 dBm = 775 mV
Z
18
Parameters
PD Input
PD input current
Input voltage
Voltage drop at V
Input Characteristics of IMPSEL
Input current
Input voltage
MUTX Input
Input current
Input voltage
Line Detection
Line current for LIDET active
Line current for LIDET inactive
Current threshold during power down
ear
= 68 nF + 100 , Z
U4090B-P
L
M
= 68 nF, pin 31 open, V
rms
, I
M
= 0.3 mA, I
Test Conditions
PD active, I
PD = active
PD = inactive
I
I
I
V
V
Input high
Input low
V
V
Input high
Input low
PD = inactive
PD = inactive
V
L
L
L
IMPSEL
IMPSEL
MUTX
MUTX
B
= 14 mA, PD = active
= 100 mA, PD = active
= 5V, PD = active
14 mA
MP
= V
= GND
= 2 mA, RDC = 130 k , T
IMPSEL
= V
= GND
MP
L
MP
> 14 mA V
= GND, V
MUTX
PD
= V
= GND, V
MP
amb
= 25°C, RGSA = 560 k ,
MUTR
Symbol
ILONPD
V
V
I
I
ILOFF
V
V
= GND, unless otherwise specified.
IMPSEL
IMPSEL
ILON
I
I
IMPSEL
IMPSEL
MUTX
MUTX
V
V
MUTX
MUTX
I
V
pd
pd
pd
L
V
V
0.3V
0.3V
Min.
0.8
MP
MP
2
–
–
Typ.
12.6
11.0
–18
–20
1.5
1.9
1.6
18
20
9
Max.
–30
0.3
0.3
0.3
2.4
30
4741C–CORD–11/05
Unit
mA
mA
mA
µA
µA
µA
µA
µA
V
V
V
V
V
V